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<?php
/**
* Piwik - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Settings\Plugin;
use Piwik\Container\StaticContainer;
use Piwik\Db;
use Piwik\Piwik;
use Exception;
use Piwik\Settings\Setting;
use Piwik\Settings\Storage;
/**
* Describes a per user setting. Each user will be able to change this setting for themselves,
* but not for other users.
*
* See {@link \Piwik\Settings\Setting}.
*/
class UserSetting extends Setting
{
/**
* @var null|string
*/
private $userLogin = null;
/**
* Constructor.
*
* @param string $name The setting's persisted name.
* @param mixed $defaultValue Default value for this setting if no value was specified.
* @param string $type Eg an array, int, ... see TYPE_* constants
* @param string $pluginName The name of the plugin the setting belongs to
* @param string $userLogin The name of the user the value should be set or get for
* @throws Exception
*/
public function __construct($name, $defaultValue, $type, $pluginName, $userLogin)
{
parent::__construct($name, $defaultValue, $type, $pluginName);
if (empty($userLogin)) {
throw new Exception('No userLogin given to create setting ' . $name);
}
$this->userLogin = $userLogin;
$factory = StaticContainer::get('Piwik\Settings\Storage\Factory');
$this->storage = $factory->getPluginStorage($this->pluginName, $this->userLogin);
}
/**
* Returns `true` if this setting can be displayed for the current user, `false` if otherwise.
*
* @return bool
*/
public function isWritableByCurrentUser()
{
if (isset($this->hasWritePermission)) {
return $this->hasWritePermission;
}
// performance improvement, do not detect this in __construct otherwise likely rather "big" query to DB.
$this->hasWritePermission = Piwik::isUserHasSomeViewAccess();
return $this->hasWritePermission;
}
}
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